15009889238 has 16 divisors (see below), whose sum is σ = 22888066320. Its totient is φ = 7380578400.

The previous prime is 15009889229. The next prime is 15009889241. The reversal of 15009889238 is 83298890051.

It is a self number, because there is not a number n which added to its sum of digits gives 15009889238.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1254428 + ... + 1266336.

It is an arithmetic number, because the mean of its divisors is an integer number (1430504145).

Almost surely, 2^15009889238 is an apocalyptic number.

15009889238 is a deficient number, since it is larger than the sum of its proper divisors (7878177082).

15009889238 is a wasteful number, since it uses less digits than its factorization.

15009889238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22303.

The product of its (nonzero) digits is 1244160, while the sum is 53.

The spelling of 15009889238 in words is "fifteen billion, nine million, eight hundred eighty-nine thousand, two hundred thirty-eight".